From: Tony Cheng <tony.cheng@amd.com>
Date: Thu, 20 Jul 2017 00:12:20 -0400
Subject: drm/amd/display: plumbing to allow easy print of HW state for DTN
Git-commit: 6d244be884d20b1e9c912291a242dccedd6d9040
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 7 +++++++
drivers/gpu/drm/amd/display/dc/dc.h | 2 ++
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 12 ++++++++++++
drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h | 2 ++
drivers/gpu/drm/amd/display/include/logger_interface.h | 4 ++++
5 files changed, 27 insertions(+)
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -2035,3 +2035,10 @@ bool dc_init_dchub(struct dc *dc, struct
}
+void dc_log_hw_state(struct dc *dc)
+{
+ struct core_dc *core_dc = DC_TO_CORE(dc);
+
+ if (core_dc->hwss.log_hw_state)
+ core_dc->hwss.log_hw_state(core_dc);
+}
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -236,6 +236,8 @@ void dc_destroy(struct dc **dc);
bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data);
+void dc_log_hw_state(struct dc *dc);
+
/*******************************************************************************
* Surface Interfaces
******************************************************************************/
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1851,6 +1851,17 @@ static void dcn10_setup_stereo(struct pi
return;
}
+static void dcn10_log_hw_state(struct core_dc *dc)
+{
+ struct dc_context *dc_ctx = dc->ctx;
+
+ DTN_INFO("%s: Hello World", __func__);
+
+ /* todo: add meaningful register reads and print out HW state
+ *
+ */
+}
+
static bool dcn10_dummy_display_power_gating(
struct core_dc *dc,
uint8_t controller_id,
@@ -1887,6 +1898,7 @@ static const struct hw_sequencer_funcs d
.set_static_screen_control = set_static_screen_control,
.setup_stereo = dcn10_setup_stereo,
.set_avmute = dce110_set_avmute,
+ .log_hw_state = dcn10_log_hw_state,
};
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -154,6 +154,8 @@ struct hw_sequencer_funcs {
struct core_dc *dc);
void (*set_avmute)(struct pipe_ctx *pipe_ctx, bool enable);
+
+ void (*log_hw_state)(struct core_dc *dc);
};
void color_space_to_black_color(
--- a/drivers/gpu/drm/amd/display/include/logger_interface.h
+++ b/drivers/gpu/drm/amd/display/include/logger_interface.h
@@ -123,6 +123,10 @@ void context_clock_trace(
dm_logger_write(dc_ctx->logger, LOG_ERROR, \
__VA_ARGS__);
+#define DTN_INFO(...) \
+ dm_logger_write(dc_ctx->logger, LOG_DTN, \
+ __VA_ARGS__)
+
#define DC_SYNC_INFO(...) \
dm_logger_write(dc_ctx->logger, LOG_SYNC, \
__VA_ARGS__);